18226310

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20479}}^1$

素因数の和:20575

約数の個数: 16

約数和(自身を含む): 33177600

約数和(自身を除く): 14951290

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20479, 40958, 102395, 204790, 1822631, 3645262, 9113155, 18226310]

約数ペア:

[(1, 18226310), (2, 9113155), (5, 3645262), (10, 1822631), (89, 204790), (178, 102395), (445, 40958), (890, 20479)]